In the limited instances in which seats on the primary market become available, however, the Cavs can send you a text message. The same goes for Dan Gilbert’s other sports properties — the Cleveland Gladiators and Lake Erie Monsters.

Via a partnership with Scottsdale, Ariz.-based ReplyBuy, Cavs fans who sign up for ReplyBuy’s service get a text when tickets are made available, and a simple reply results in a purchase being made in fewer than seven seconds.

Seven is a key number for ReplyBuy CEO Josh Manley, who says research by his data analysts shows that there is “7% attrition” for every second you make a customer wait — whether it’s to be redirected to another site or for a page to load.

“The idea of not making them click a link is absolutely key,” Manley said. “It’s been critical to what we do.”

Instead, ReplyBuy’s customers — after signing up, giving payment information and selecting their favorite team — get a text. If they reply with a short code (“Buy Cavaliers 2” for two Cavs seats), they receive a confirmation text, an email is sent with a receipt and a link to print the tickets, and a bar code is instantly loaded onto their phones to scan at the gate.

For the Cavs, who have sold out every game since LeBron James returned in the summer of 2014, ReplyBuy is an easy way to send a mass text message to fans when seats become available hours before a game.

The Cavs use the service only for holds — tickets that are reserved for the visiting team and the league. If the Cavs get tickets back from one or both of the parties, they give first priority to their season-ticket holders. Step two is then a text, via ReplyBuy’s service.

During the playoffs, when the demand, and the prices, are higher than the regular season, it’s a step that’s usually not needed. The Cavs have used ReplyBuy only once in the last two postseasons — for the opener of their first-round series against the Detroit Pistons on April 17.

Then, fans were alerted that seats were available at a discounted rate — as low as $99 for tickets in the lower-level corners of Quicken Loans Arena.

Dionna Widder, the Cavs’ vice president of ticket sales and service, said “almost all” of the team’s ReplyBuy offers have gone out the day before or on game day. She said it’s a “completely seamless” transition from ReplyBuy’s text message to a customer’s Flash Seats account. The tickets are there within seconds, Widder said.

ReplyBuy gets an undisclosed cut of the sale, and teams are able to dump tickets at the last minute, or offer hundreds of seats at discounted rates in an effort to drum up attendance. That’s obviously not a route the Cavs need to take, but they do make more offers available for the other two clubs that are housed at The Q.

Last week, customers were alerted to $22 lower-level seats, a price that included parking and a $5 concession credit, for the opener of the Monsters’ second-round playoff series on May 5, and there were texts sent out for $12 tickets, also with a $5 concession credit, for the Gladiators’ most recent home game.

“People have asked us for a long time, ‘Why not an app?’ ” Manley said. “Because there are millions and millions of apps out there.”

But the ReplyBuy CEO said there’s no comparable text service in the sports and entertainment space, which is why the company has partnered with a combined 18 NBA and NHL teams, plus three NFL teams, four MLS clubs and several major universities since ReplyBuy’s sports vertical launched in November 2014.

The Cavs’ partnership began a few months later, and it wasn’t long before fans responded. Manley said the total number of ReplyBuy signups for the Cavs is well above the five-figure range. Widder said the partnership has been extended into next season.

“People’s email inboxes are bombarded. Their phones are littered with apps,” Manley said. “But the one thing they do is they message.”

And they buy — now at the same time.

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